The correct answer is a) Radiant section. The radiant section is the component in a refinery furnace that is primarily responsible for heating the process fluid. It is the area where the fuel is burned and the heat is transferred to the process fluid through radiation. Here's a brief overview of the other options: - Convection section (b): This section uses convection to transfer heat from the flue gas to the process fluid. While it does contribute to heating the process fluid, it is not the primary component responsible for doing so. - Air preheater (c): This component preheats the air used for combustion, but it is not directly responsible for heating the process fluid. - Stack (d): This is the chimney or exhaust system of the furnace, responsible for venting flue gases to the atmosphere. It is not involved in heating the process fluid.
The correct answer is D. No ID and FD fan. A natural draft heater/furnace is a type of furnace that uses natural convection to circulate air and flue gases, without the assistance of fans. Therefore, it does not have: - ID (Induced Draft) fan: which is used to pull flue gases out of the furnace - FD (Forced Draft) fan: which is used to push air into the furnace Instead, natural draft furnaces rely on the natural buoyancy of hot gases to rise and create a draft, which pulls in air for combustion. The other options are incorrect because: A. Only ID fan: would be a forced draft furnace B. Only FD fan: would be a forced draft furnace C. Both ID and FD fan: would be a balanced draft furnace
The correct answer is B. Arch. In a refinery furnace, the pressure is highest at the arch (or crown) of the furnace, which is the highest point of the furnace roof. This is because the arch is the point where the combustion gases and flue gas are at their highest pressure, due to the combustion process and the design of the furnace. Here's a brief overview of the other options: A. Bottom box: This is the area at the bottom of the furnace, where the fuel is burned. While there is some pressure here, it is not the highest point in the furnace. C. Convection zone: This is the area above the radiant section, where convection occurs. The pressure here is lower than at the arch. D. Below damper: This is an area below the damper (a valve that regulates gas flow), which is not typically a high-pressure area.
In a refinery furnace, the temperature is highest at the arch (or crown) of the furnace, which is the highest point of the furnace roof. This is because the arch is the point where the combustion gases and flue gas are at their highest temperature, typically in the range of 1000-1400°C (1832-2552°F), due to the combustion process and the design of the furnace
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Q.51- (A) asnwer hoga
Incredible
Q98 answer must be B after the ID fan
Bahut hi badhiya video banaya hai Sir ek hi video me almost furnace ka saara question aa gaya hai
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Sir 100 question thermodynamics par lao
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Q.48 primary heating to convection section me hota hai sir
The correct answer is a) Radiant section.
The radiant section is the component in a refinery furnace that is primarily responsible for heating the process fluid. It is the area where the fuel is burned and the heat is transferred to the process fluid through radiation.
Here's a brief overview of the other options:
- Convection section (b): This section uses convection to transfer heat from the flue gas to the process fluid. While it does contribute to heating the process fluid, it is not the primary component responsible for doing so.
- Air preheater (c): This component preheats the air used for combustion, but it is not directly responsible for heating the process fluid.
- Stack (d): This is the chimney or exhaust system of the furnace, responsible for venting flue gases to the atmosphere. It is not involved in heating the process fluid.
Q no 89 ans should be A
The correct answer is D. No ID and FD fan.
A natural draft heater/furnace is a type of furnace that uses natural convection to circulate air and flue gases, without the assistance of fans. Therefore, it does not have:
- ID (Induced Draft) fan: which is used to pull flue gases out of the furnace
- FD (Forced Draft) fan: which is used to push air into the furnace
Instead, natural draft furnaces rely on the natural buoyancy of hot gases to rise and create a draft, which pulls in air for combustion.
The other options are incorrect because:
A. Only ID fan: would be a forced draft furnace
B. Only FD fan: would be a forced draft furnace
C. Both ID and FD fan: would be a balanced draft furnace
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55ka b hona chahiye excessive soot buildup furnace tube me hoga to pressure drop increase hoga.
55-B hi to Ans Diya v h....
@@QuizwithAJhe means 56 ka B hoga
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Sir 81 question ka number do baar ho gaya hai total 101 question ho gaya hai
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90ka answer A hoga, highest pressure in furnace at bottom box and highest temperature hoga arch me
The correct answer is B. Arch.
In a refinery furnace, the pressure is highest at the arch (or crown) of the furnace, which is the highest point of the furnace roof. This is because the arch is the point where the combustion gases and flue gas are at their highest pressure, due to the combustion process and the design of the furnace.
Here's a brief overview of the other options:
A. Bottom box: This is the area at the bottom of the furnace, where the fuel is burned. While there is some pressure here, it is not the highest point in the furnace.
C. Convection zone: This is the area above the radiant section, where convection occurs. The pressure here is lower than at the arch.
D. Below damper: This is an area below the damper (a valve that regulates gas flow), which is not typically a high-pressure area.
In a refinery furnace, the temperature is highest at the arch (or crown) of the furnace, which is the highest point of the furnace roof. This is because the arch is the point where the combustion gases and flue gas are at their highest temperature, typically in the range of 1000-1400°C (1832-2552°F), due to the combustion process and the design of the furnace
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